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Life science quiz17

QuestionAnswer
a organism where the 2 alleles factors are different (Rr) hybrid
what type of plants did Mendel use Pea Plants
f2 stands for ------------ etc. second generation
study of inheritance genetics
the from parent to offspring inheritance
a section of chromosomes that specifics a trait or protein genes
the 2 genes that carry information for the same traits are called alleles
an organism where both alleles are the same (AA or aa) purebred
according to Mendel how many factors are there for a trait at least 2
uniting of a reproductive fertilization
the mating of an organism to see how the offspring inherits cross (x)
what is expressed if present? dominant allele
difference between recessive and dominant if a dominant allele is present it will always be expressed and the recessive will be hidden
not expressed if a dominant allele is present recessive allele
dominant allele is always represented by a upper case letter
the physical appearance is phenotype
genes of genetics of a person genotype
the 1st cell after the union of the reproductive cells zygote
a recessive allele is represented by a lower case letter
all of Mendel's f1 generation appeared ? tall
f1 stands for first generation
father of modern day genetics Gregor Mendel
the 4 steps in mendel's experiment 1. made sure he had purebred parents 2. crossed parent with opposite traits 3. observed f1 and recorded results 4. continued this by crossing f1, f2, f3, etc generations & looking at the results
2 things mendel discovered 1. each trait had 2 factors one from each plant 2. the traits could be represented by a dominant allele or recessive allele
2 examples of dominant traits in humans brown eyes are dominant tongue rolling is dominant
2 examples of recessive traits in humans attached earlobes is recessive left handed is recessive
what are the two types of alleles dominant, and recessive
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